https://www.reuters.com/article/us-baidu-results/chinese-search-giant-baidu-beats-on-ad-sales-but-streaming-costs-surge-idUSKCN1QA2UG >Chinese search engine operator Baidu Inc beat market estimates for fourth-quarter revenue and profit on Thursday, as its core online marketing business stayed resilient and revenue surged in its Netflix-like streaming service iQiyi.